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Article
Recent advances in Ir/Ru-based perovskite electrocatalysts for oxygen evolution reaction
Oxygen evolution reaction (OER) is a kinetically harsh four-electron anode reaction that requires a large overpotential to provide current and is of great importance in renewable electrochemical technique. Ir/...
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Article
Effects of heat treatment on microstructures and properties of a heterostructured alloy with dissimilar components fabricated by WAAM
Heat treatment significantly influences homogeneous material microstructures and mechanical properties, which can be improved by an optimal heat treatment process. However, heat treatment application to hetero...
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Article
Liquid–metal microgrid stretchable electronics based on bionic leaf veins with ultra-stretchability and high conductivity
Stretchable electronics that monitor joint activity and treat diseases based on liquid metal could be used in the development of healthcare applications. Such devices can be seamlessly integrated with human sk...
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Article
Anti-corrosive and highly reversible zinc metal anode enabled by the phenolic resin coating
Aqueous zinc-ion batteries have attracted much attention due to their high theoretical capacity, low cost, high safety, and eco-friendly. However, challenges such as dendrite growth and side reactions severely...
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Article
Effect of alumina occurrence form on metallurgical properties of hematite and magnetite pellets
The effect of alumina occurrence form on the metallurgical properties of both hematite and magnetite pellets was investigated at the same Al2O3 level of 2 wt.%, including reduction index (RI), low-temperature red...
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Article
Effective utilization of dolomitic lead–zinc waste rock by replacing dolomite as flux in iron ore sintering process
With increasingly stringent environmental protection policies, cost-effective and value-added treatment of massive lead–zinc waste rock (LZWR) generated from the preconcentration process has attracted substant...
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Article
Two-thiols-regulated fabrication of plasmonic nanoparticles with co-enhanced Raman scattering and circular dichroism responses
Plasmonic nanoparticles (PNPs) with stable nanogaps are important to achieve strong, uniform and quantitative gap-enhanced Raman scattering (GERS) signals. Chiral PNPs with plasmonic circular dichroism (PCD) r...
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Article
Preparation of sinter with low reduction degradation index for COREX reduction in a high proportion
The sinter with low reduction degradation index (RDI) for COREX reduction was prepared by separated granulation sintering process. The results illustrate that the productivity and tumble index are attained to ...
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Article
Improving ingot homogeneity by modified hot-top pulsed magneto-oscillation
Heavy ingots, especially the ingot of more than 10 t, often contain detrimental heterogeneous defects, such as macrosegregation, shrinkage pipes, and cracks. Hot-top pulsed magneto-oscillation (HPMO) can refin...
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Article
Achieving efficient utilization of limonitic nickel laterite and CO2 emission reduction through multi-force field sintering process
Strengthening limonitic nickel laterite sintering and reducing CO2 emission were performed by the application of multi-force fields including external thermodynamic and pressure fields. Sinter pot tests of limoni...
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Article
Synergistic effect of cubic C3N4/ZnO/C hybrid composite for selective detection of sulfur dioxide
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Article
A high-efficiency separation process of Fe and Zn from zinc-bearing dust by direct reduction
It is urgent to dispose of zinc-bearing dust from steel plants, and direct reduction process is an effective method to remove hazardous metals and recycle iron from the dust. The reduction behavior of carbon-c...
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Article
Open AccessSignificant influence of self-possessed moisture of limonitic nickel laterite on sintering performance and its action mechanism
In consideration of the abundant moisture of limonitic nickel laterite mined, it is essential to determine whether the self-possessed moisture of limonitic nickel laterite after pre-dried is appropriate for si...
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Article
Upgrade of nickel and iron from low-grade nickel laterite by improving direct reduction-magnetic separation process
Low-grade saprolite nickel laterite, characterized by complicated minerals composition and fine-grained and complex dissemination, was commonly treated with a low recovery efficiency of Ni and Fe by convention...
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Article
Conducting network interface modulated rate performance in LiFePO4/C cathode materials
Carbon can play a critical role in electrode, especially for LiFePO4 cathode, not only serving as continuous conducting network for electron pathway, but also boosting Li+ diffusion through providing sufficient e...
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Article
High energy storage capability of perovskite relaxor ferroelectrics via hierarchical optimization
Ultrafast charge/discharge process and ultrahigh power density enable dielectrics essential components in modern electrical and electronic devices, especially in pulse power systems. However, in recent years, ...
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Article
Influence of basicity on metallurgical performances of fired super high-grade magnetite pellets in hydrogen-rich gases
The influence of basicity on the metallurgical performances and reduction characteristics of fired super high-grade magnetite pellets under the simulated shaft furnace gas conditions was investigated. The fire...
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Article
Negligible oxygen vacancies, low critical current density, electric-field modulation, in-plane anisotropic and high-field transport of a superconducting Nd0.8Sr0.2NiO2/SrTiO3 heterostructure
The emerging Ni-based superconducting oxide thin films are rather intriguing to the entire condensed matter physics. Here, we report some brief experimental results on transport measurements for a 14-nm-thick ...
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Article
Synthesis, characterization and properties of organically compounded bentonite by molecular intercalation process
A new process for manufacturing organically compounded bentonite was developed successfully based on the organic intercalation and layered structure of bentonite. The main steps in the proposed process include...
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Article
Improving roasting performance and consolidation of pellets made of ultrafine and super-high-grade magnetite concentrates by modifying basicity
For improving the strength of pellets made of ultrafine and super-high-grade magnetite concentrates, the influence of basicity (CaO/SiO2 ratio) on the roasting and consolidation of pellets was investigated. The r...